2018 Tesla Model 3 brakes problems

I was driving on auto pilot mode when I was going to make a right hand turn when in order to slow down at the traffic ahead of me, I applied the brakes but there was no brake action whatsoever. This was not a panic situation, it was just normal braking. When the brakes failed to actuate and the vehicle accordingly wasn't slowing down, in order to avoid hitting pedestrians or the vehicle in front of me, I swerved to the right and ended up hitting a tree.

Tesla model 3 (2018) proceeded to accelerate while brake pedal was depressed going through an intersection causing uncontrollable maneuver and vehicle control loss. The vehicle failed to respond to pedal input and failed to deploy airbags upon impact with a tree and fence continuing to accelerate throughout such incident. Autopilot was engaged prior to crash. No forward collision warning activated.